ORA-01017: Invalid Username/password; Logon Denied On Both ASM And DBMS Instances after reboot caused by SSSD and NSCD services interferences
Last updated on SEPTEMBER 28, 2017
Applies to:Oracle Database - Enterprise Edition - Version 184.108.40.206 and later
Linux OS - Version Oracle Linux 6.4 with Unbreakable Enterprise Kernel [2.6.39] and later
Oracle Exadata Storage Server Software - Version 220.127.116.11.0 and later
In this case an Exadata compute node running as standby did not startup the database. It also showed that the RDBMS could not connect to ASM because of ORA-01017
On the system the services NSCD (name service cache daemon) and SSSD (System Security Services Daemon) were both installed and running with default configuration.
Trying to start the instance with srvctl leads to:
Comparing the two traces one may see that the connection fails if nscd is used and it is successful if nsswitch.conf is used instead.
The storage server has been upgraded with newer rpms and the machine rebooted.
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